Yes
you do need a jacket based on the weather in Boulder, CO 80302, USA 1 second ago
Why? Because it's pretty chilly!
53°F12°C & Partly Cloudy
Wind is 7 mph11 km/h from the West, gusting to 10 mph16 km/h
| May 23 | ||||
| 2am | 52°F11°C | 7 mph11 km/h West | Mostly Clear | |
| 3am | 51°F11°C | 6 mph10 km/h West | Clear | |
| 4am | 50°F10°C | 7 mph11 km/h West | Clear | |
| 5am | 47°F8°C | 6 mph10 km/h West | Clear | |
| 6am | 48°F9°C | 4 mph7 km/h West | Clear | |
| 7am | 46°F8°C | 7 mph12 km/h West | Mostly Clear | |
| 8am | 48°F9°C | 7 mph11 km/h West | Mostly Clear | |
| 9am | 52°F11°C | 6 mph10 km/h West | Partly Cloudy | |
| 10am | 59°F15°C | 3 mph5 km/h West | Partly Cloudy | |
| 11am | 64°F18°C | 3 mph4 km/h Southwest | Partly Cloudy | |
| 12pm | 68°F20°C | 3 mph6 km/h West | Partly Cloudy | |
| 1pm | 72°F22°C | 5 mph8 km/h West | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 22 | 37°F3°C | 67°F19°C | 4 mph7 km/h from East | Mostly Clear | Mostly Clear |
| May 23 | 46°F8°C | 77°F25°C | 5 mph8 km/h from Northwest | Partly Cloudy | Partly Cloudy |
| May 24 | 48°F9°C | 65°F18°C | 5 mph8 km/h from East | Mostly Cloudy | Cloudy |
| May 25 | 47°F8°C | 60°F16°C | 5 mph8 km/h from East | Cloudy | Mostly Cloudy |
| May 26 | 44°F7°C | 59°F15°C | 4 mph6 km/h from Northeast | Mostly Cloudy | Partly Cloudy |
| May 27 | 45°F7°C | 66°F19°C | 4 mph6 km/h from East | Mostly Cloudy | Partly Cloudy |
| May 28 | 47°F8°C | 63°F17°C | 4 mph6 km/h from Northeast | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 46°F8°C, High of 77°F25°CWind: 5 mph8 km/h
Precipitation: None